.M-sider {
  overflow: hidden;
  border-right-style: solid;
  border-right-width: 1px;
  .sider-main {
    display: flex;
    flex-direction: column;
    height: 100%;
  }

  .sider-menu {
    flex: 1;
    overflow: hidden;
    overflow-y: auto;
  }

  .sider-footer {
    padding: 10px 14px;
    height: 40px;
    cursor: pointer;
    border-top-style: solid;
    border-top-width: 1px;
    .anticon {
      font-size: 20px;
    }
  }
}
